<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.w3.org/1999/xhtml" xmlns:layou="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>Fragment</title>
</head>
<body>
<div>
    <div th:include="demo/layout/header :: header"></div>
    <div th:include="demo/layout/lefter :: header"></div>
    <div layou:fragment="content">content</div>
    <div th:include="demo/layout/footer :: copyright"></div>
</div>
</body>
</html>